જો $z = 1 - \cos \alpha + i \sin \alpha $ હોય,તો $\text{amp } z$ =

  • A
    $\frac{\alpha}{2}$
  • B
    $-\frac{\alpha}{2}$
  • C
    $\frac{\pi}{2} + \frac{\alpha}{2}$
  • D
    $\frac{\pi}{2} - \frac{\alpha}{2}$

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જો $z$ એક એવી સંકર સંખ્યા હોય કે જેથી $|z| = 4$ અને $\text{arg}(z) = \frac{5\pi}{6}$ થાય,તો $z$ ની કિંમત શોધો.

$arg(5 - \sqrt{3}i) = $

જો $-\pi < \arg (z) < -\frac{\pi}{2}$ હોય, તો $\arg (\bar{z}) - \arg (-\bar{z})$ ની કિંમત શોધો.

$\operatorname{Arg}\left(\sin \frac{6 \pi}{5}+i\left(1+\cos \frac{6 \pi}{5}\right)\right)=$

જો $arg(z - a) = \frac{\pi}{4}$,જ્યાં $a \in R$,તો $z \in C$ નો બિંદુપથ શું છે?

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